Junior Team USA earned a gold and a silver in doubles Tuesday at the 2011 Pan American Bowling Confederation Youth Championships. EJ Tackett fired 1,363 and Andrew Koff 1,348 for six games for a 2,711 total as they won the boys doubles by 27 pins over Venezuela's Michael Piccari and Kevin Belandria. In girls doubles, Junior Team USA's Kaitlin Quinn (1,270) and Jessica Earnest (1,192) took the silver...